Home / 54,109.32-74,610.09-34,963.89

Finding the Fourth Proportional to 54,109.32, 74,610.09 and 34,963.89

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Solution

The fourth proportional to 54,109.32, 74,610.09 and 34,963.89 is: 48,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.32 : 74,610.09 = 34,963.89 : x
  2. Step 2: Convert to fraction form
    54,109.32/74,610.09 = 34,963.89/x
  3. Step 3: Cross multiply
    54,109.32x = 74,610.09 × 34,963.89
  4. Step 4: Simplify right side
    54,109.32x = 2,608,658,979.65
  5. Step 5: Solve for x
    x = 2,608,658,979.65/54,109.32
  6. Step 6: Final answer
    x = 48,210.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.